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LenaWriter [7]
2 years ago
12

Slice for the missing sides 45-45-90 triangle. show work thank you

Mathematics
1 answer:
Lelu [443]2 years ago
3 0

Answer:

x and y are 5.66 units

Step-by-step explanation:

The triangle above is a right angled triangle ; and can be solved using trigonometric relation :

Using :

Sin 45 = opposite / hypotenus

Opposite = y ; hypotenus = 8

Sin 45 = y/8

y = sin 45 * 8

y = 5.66 units

Side length x ;

Sin 45 = opposite / hypotenus

Sin 45 = x / 8

x = sin 45 * 8

x = 5.66 units

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Identify an equation in point-slope form for the line perpendicular to y =3/4x -4 that passes through (-1, 7).
PilotLPTM [1.2K]

Answer:

y - 7 = -4/3(x + 1)

Step-by-step explanation:

<u>Given</u>

  • y =3/4x -4
  • (-1, 7)

<u>Convert to point slope form</u>

y - y1 = m(x - x1)

m: represents what the slope is

y - 7 = -4/3(x + 1)

<u>Distribute -4/3</u>

-4/3 * x = -4/3x

-4/3 * 1 = -4/3

y - 7 = -4/3x - 4/3

<u>Add seven in both sides</u>

21/3 -4/3 = 17/3

y = -4/3x + 17/2

<u>Answer</u>

linear equation: y = -4/3x + 17/2

point-slope form: y - 7 = -4/3(x + 1)

3 0
3 years ago
Evaluate [3(5 + 6) + 2] ÷ 7
larisa86 [58]
The answer to the problem is 5
6 0
3 years ago
Read 2 more answers
49–2ax –a^2–x^2 factor
vampirchik [111]

49–2ax –a^2–x^2

Extract the negative sign

= 49 - (a^2 +2ax +x^2)

Factor using a^2 + 2ab + b^2 = (a+b)^2

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Factor using a^2 - b^2 = (a-b)(a+b)

= ( 7- (a + x)) * (7 + (a + x))

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4 0
3 years ago
Write an expression for the sequence of operations described below.
Akimi4 [234]
Triple t ⇒ 3t
add the result to u ⇒ 3t + u
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Since it is instructed not to simplify, we perform the distributive property of multiplication.

(3t + u)v = 3tv + uv
5 0
3 years ago
What is the solution for -5(2x+1)=25
Irina18 [472]

Answer:

-3

Step-by-step explanation:

-5(2x+1)=25

-10x-5=25

-10x=25+5

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x=-3

8 0
2 years ago
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